CC-2166: Packaging Improvements. Moved the Zend app into airtime_mvc. It is now installed to /var/www/airtime. Storage is now set to /srv/airtime/stor. Utils are now installed to /usr/lib/airtime/utils/. Added install/airtime-dircheck.php as a simple test to see if everything is install/uninstalled correctly.
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963
airtime_mvc/library/pear/DB/mssql.php
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963
airtime_mvc/library/pear/DB/mssql.php
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<?php
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/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
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/**
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* The PEAR DB driver for PHP's mssql extension
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* for interacting with Microsoft SQL Server databases
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*
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* PHP versions 4 and 5
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*
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* LICENSE: This source file is subject to version 3.0 of the PHP license
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* that is available through the world-wide-web at the following URI:
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* http://www.php.net/license/3_0.txt. If you did not receive a copy of
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* the PHP License and are unable to obtain it through the web, please
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* send a note to license@php.net so we can mail you a copy immediately.
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*
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* @category Database
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* @package DB
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* @author Sterling Hughes <sterling@php.net>
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* @author Daniel Convissor <danielc@php.net>
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* @copyright 1997-2007 The PHP Group
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* @license http://www.php.net/license/3_0.txt PHP License 3.0
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* @version CVS: $Id: mssql.php,v 1.92 2007/09/21 13:40:41 aharvey Exp $
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* @link http://pear.php.net/package/DB
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*/
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/**
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* Obtain the DB_common class so it can be extended from
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*/
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require_once 'DB/common.php';
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/**
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* The methods PEAR DB uses to interact with PHP's mssql extension
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* for interacting with Microsoft SQL Server databases
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*
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* These methods overload the ones declared in DB_common.
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*
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* DB's mssql driver is only for Microsfoft SQL Server databases.
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*
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* If you're connecting to a Sybase database, you MUST specify "sybase"
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* as the "phptype" in the DSN.
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*
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* This class only works correctly if you have compiled PHP using
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* --with-mssql=[dir_to_FreeTDS].
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*
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* @category Database
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* @package DB
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* @author Sterling Hughes <sterling@php.net>
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* @author Daniel Convissor <danielc@php.net>
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* @copyright 1997-2007 The PHP Group
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* @license http://www.php.net/license/3_0.txt PHP License 3.0
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* @version Release: 1.7.13
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* @link http://pear.php.net/package/DB
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*/
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class DB_mssql extends DB_common
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{
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// {{{ properties
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/**
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* The DB driver type (mysql, oci8, odbc, etc.)
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* @var string
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*/
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var $phptype = 'mssql';
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/**
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* The database syntax variant to be used (db2, access, etc.), if any
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* @var string
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*/
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var $dbsyntax = 'mssql';
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/**
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* The capabilities of this DB implementation
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*
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* The 'new_link' element contains the PHP version that first provided
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* new_link support for this DBMS. Contains false if it's unsupported.
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*
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* Meaning of the 'limit' element:
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* + 'emulate' = emulate with fetch row by number
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* + 'alter' = alter the query
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* + false = skip rows
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*
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* @var array
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*/
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var $features = array(
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'limit' => 'emulate',
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'new_link' => false,
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'numrows' => true,
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'pconnect' => true,
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'prepare' => false,
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'ssl' => false,
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'transactions' => true,
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);
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/**
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* A mapping of native error codes to DB error codes
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* @var array
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*/
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// XXX Add here error codes ie: 'S100E' => DB_ERROR_SYNTAX
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var $errorcode_map = array(
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102 => DB_ERROR_SYNTAX,
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110 => DB_ERROR_VALUE_COUNT_ON_ROW,
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155 => DB_ERROR_NOSUCHFIELD,
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156 => DB_ERROR_SYNTAX,
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170 => DB_ERROR_SYNTAX,
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207 => DB_ERROR_NOSUCHFIELD,
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208 => DB_ERROR_NOSUCHTABLE,
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245 => DB_ERROR_INVALID_NUMBER,
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319 => DB_ERROR_SYNTAX,
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321 => DB_ERROR_NOSUCHFIELD,
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325 => DB_ERROR_SYNTAX,
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336 => DB_ERROR_SYNTAX,
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515 => DB_ERROR_CONSTRAINT_NOT_NULL,
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547 => DB_ERROR_CONSTRAINT,
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1018 => DB_ERROR_SYNTAX,
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1035 => DB_ERROR_SYNTAX,
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1913 => DB_ERROR_ALREADY_EXISTS,
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2209 => DB_ERROR_SYNTAX,
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2223 => DB_ERROR_SYNTAX,
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2248 => DB_ERROR_SYNTAX,
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2256 => DB_ERROR_SYNTAX,
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2257 => DB_ERROR_SYNTAX,
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2627 => DB_ERROR_CONSTRAINT,
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2714 => DB_ERROR_ALREADY_EXISTS,
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3607 => DB_ERROR_DIVZERO,
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3701 => DB_ERROR_NOSUCHTABLE,
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7630 => DB_ERROR_SYNTAX,
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8134 => DB_ERROR_DIVZERO,
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9303 => DB_ERROR_SYNTAX,
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9317 => DB_ERROR_SYNTAX,
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9318 => DB_ERROR_SYNTAX,
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9331 => DB_ERROR_SYNTAX,
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9332 => DB_ERROR_SYNTAX,
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15253 => DB_ERROR_SYNTAX,
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);
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/**
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* The raw database connection created by PHP
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* @var resource
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*/
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var $connection;
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/**
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* The DSN information for connecting to a database
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* @var array
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*/
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var $dsn = array();
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/**
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* Should data manipulation queries be committed automatically?
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* @var bool
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* @access private
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*/
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var $autocommit = true;
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/**
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* The quantity of transactions begun
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*
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* {@internal While this is private, it can't actually be designated
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* private in PHP 5 because it is directly accessed in the test suite.}}
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*
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* @var integer
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* @access private
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*/
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var $transaction_opcount = 0;
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/**
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* The database specified in the DSN
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*
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* It's a fix to allow calls to different databases in the same script.
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*
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* @var string
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* @access private
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*/
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var $_db = null;
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// }}}
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// {{{ constructor
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/**
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* This constructor calls <kbd>$this->DB_common()</kbd>
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*
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* @return void
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*/
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function DB_mssql()
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{
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$this->DB_common();
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}
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// }}}
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// {{{ connect()
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/**
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* Connect to the database server, log in and open the database
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*
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* Don't call this method directly. Use DB::connect() instead.
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*
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* @param array $dsn the data source name
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* @param bool $persistent should the connection be persistent?
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*
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* @return int DB_OK on success. A DB_Error object on failure.
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*/
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function connect($dsn, $persistent = false)
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{
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if (!PEAR::loadExtension('mssql') && !PEAR::loadExtension('sybase')
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&& !PEAR::loadExtension('sybase_ct'))
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{
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return $this->raiseError(DB_ERROR_EXTENSION_NOT_FOUND);
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}
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$this->dsn = $dsn;
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if ($dsn['dbsyntax']) {
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$this->dbsyntax = $dsn['dbsyntax'];
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}
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$params = array(
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$dsn['hostspec'] ? $dsn['hostspec'] : 'localhost',
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$dsn['username'] ? $dsn['username'] : null,
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$dsn['password'] ? $dsn['password'] : null,
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);
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if ($dsn['port']) {
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$params[0] .= ((substr(PHP_OS, 0, 3) == 'WIN') ? ',' : ':')
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. $dsn['port'];
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}
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$connect_function = $persistent ? 'mssql_pconnect' : 'mssql_connect';
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$this->connection = @call_user_func_array($connect_function, $params);
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if (!$this->connection) {
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return $this->raiseError(DB_ERROR_CONNECT_FAILED,
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null, null, null,
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@mssql_get_last_message());
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}
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if ($dsn['database']) {
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if (!@mssql_select_db($dsn['database'], $this->connection)) {
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return $this->raiseError(DB_ERROR_NODBSELECTED,
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null, null, null,
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@mssql_get_last_message());
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}
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$this->_db = $dsn['database'];
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}
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return DB_OK;
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}
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// }}}
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// {{{ disconnect()
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/**
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* Disconnects from the database server
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*
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* @return bool TRUE on success, FALSE on failure
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*/
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function disconnect()
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{
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$ret = @mssql_close($this->connection);
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$this->connection = null;
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return $ret;
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}
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// }}}
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// {{{ simpleQuery()
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/**
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* Sends a query to the database server
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*
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* @param string the SQL query string
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*
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* @return mixed + a PHP result resrouce for successful SELECT queries
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* + the DB_OK constant for other successful queries
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* + a DB_Error object on failure
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*/
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function simpleQuery($query)
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{
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$ismanip = $this->_checkManip($query);
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$this->last_query = $query;
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if (!@mssql_select_db($this->_db, $this->connection)) {
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return $this->mssqlRaiseError(DB_ERROR_NODBSELECTED);
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}
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$query = $this->modifyQuery($query);
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if (!$this->autocommit && $ismanip) {
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if ($this->transaction_opcount == 0) {
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$result = @mssql_query('BEGIN TRAN', $this->connection);
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if (!$result) {
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return $this->mssqlRaiseError();
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}
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}
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$this->transaction_opcount++;
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}
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$result = @mssql_query($query, $this->connection);
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if (!$result) {
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return $this->mssqlRaiseError();
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}
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// Determine which queries that should return data, and which
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// should return an error code only.
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return $ismanip ? DB_OK : $result;
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}
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// }}}
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// {{{ nextResult()
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/**
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* Move the internal mssql result pointer to the next available result
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*
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* @param a valid fbsql result resource
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*
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* @access public
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*
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* @return true if a result is available otherwise return false
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*/
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function nextResult($result)
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{
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return @mssql_next_result($result);
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}
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// }}}
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// {{{ fetchInto()
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/**
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* Places a row from the result set into the given array
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*
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* Formating of the array and the data therein are configurable.
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* See DB_result::fetchInto() for more information.
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*
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* This method is not meant to be called directly. Use
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* DB_result::fetchInto() instead. It can't be declared "protected"
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* because DB_result is a separate object.
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*
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* @param resource $result the query result resource
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* @param array $arr the referenced array to put the data in
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* @param int $fetchmode how the resulting array should be indexed
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* @param int $rownum the row number to fetch (0 = first row)
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*
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* @return mixed DB_OK on success, NULL when the end of a result set is
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* reached or on failure
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*
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* @see DB_result::fetchInto()
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*/
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function fetchInto($result, &$arr, $fetchmode, $rownum = null)
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{
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if ($rownum !== null) {
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if (!@mssql_data_seek($result, $rownum)) {
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return null;
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}
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}
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if ($fetchmode & DB_FETCHMODE_ASSOC) {
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$arr = @mssql_fetch_assoc($result);
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if ($this->options['portability'] & DB_PORTABILITY_LOWERCASE && $arr) {
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$arr = array_change_key_case($arr, CASE_LOWER);
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}
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} else {
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$arr = @mssql_fetch_row($result);
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}
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if (!$arr) {
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return null;
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}
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if ($this->options['portability'] & DB_PORTABILITY_RTRIM) {
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$this->_rtrimArrayValues($arr);
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}
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if ($this->options['portability'] & DB_PORTABILITY_NULL_TO_EMPTY) {
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$this->_convertNullArrayValuesToEmpty($arr);
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}
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return DB_OK;
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}
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// }}}
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// {{{ freeResult()
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|
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/**
|
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* Deletes the result set and frees the memory occupied by the result set
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*
|
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* This method is not meant to be called directly. Use
|
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* DB_result::free() instead. It can't be declared "protected"
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* because DB_result is a separate object.
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*
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* @param resource $result PHP's query result resource
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*
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* @return bool TRUE on success, FALSE if $result is invalid
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*
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* @see DB_result::free()
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*/
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function freeResult($result)
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{
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return is_resource($result) ? mssql_free_result($result) : false;
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}
|
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// }}}
|
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// {{{ numCols()
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||||
|
||||
/**
|
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* Gets the number of columns in a result set
|
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*
|
||||
* This method is not meant to be called directly. Use
|
||||
* DB_result::numCols() instead. It can't be declared "protected"
|
||||
* because DB_result is a separate object.
|
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*
|
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* @param resource $result PHP's query result resource
|
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*
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* @return int the number of columns. A DB_Error object on failure.
|
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*
|
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* @see DB_result::numCols()
|
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*/
|
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function numCols($result)
|
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{
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$cols = @mssql_num_fields($result);
|
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if (!$cols) {
|
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return $this->mssqlRaiseError();
|
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}
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return $cols;
|
||||
}
|
||||
|
||||
// }}}
|
||||
// {{{ numRows()
|
||||
|
||||
/**
|
||||
* Gets the number of rows in a result set
|
||||
*
|
||||
* This method is not meant to be called directly. Use
|
||||
* DB_result::numRows() instead. It can't be declared "protected"
|
||||
* because DB_result is a separate object.
|
||||
*
|
||||
* @param resource $result PHP's query result resource
|
||||
*
|
||||
* @return int the number of rows. A DB_Error object on failure.
|
||||
*
|
||||
* @see DB_result::numRows()
|
||||
*/
|
||||
function numRows($result)
|
||||
{
|
||||
$rows = @mssql_num_rows($result);
|
||||
if ($rows === false) {
|
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return $this->mssqlRaiseError();
|
||||
}
|
||||
return $rows;
|
||||
}
|
||||
|
||||
// }}}
|
||||
// {{{ autoCommit()
|
||||
|
||||
/**
|
||||
* Enables or disables automatic commits
|
||||
*
|
||||
* @param bool $onoff true turns it on, false turns it off
|
||||
*
|
||||
* @return int DB_OK on success. A DB_Error object if the driver
|
||||
* doesn't support auto-committing transactions.
|
||||
*/
|
||||
function autoCommit($onoff = false)
|
||||
{
|
||||
// XXX if $this->transaction_opcount > 0, we should probably
|
||||
// issue a warning here.
|
||||
$this->autocommit = $onoff ? true : false;
|
||||
return DB_OK;
|
||||
}
|
||||
|
||||
// }}}
|
||||
// {{{ commit()
|
||||
|
||||
/**
|
||||
* Commits the current transaction
|
||||
*
|
||||
* @return int DB_OK on success. A DB_Error object on failure.
|
||||
*/
|
||||
function commit()
|
||||
{
|
||||
if ($this->transaction_opcount > 0) {
|
||||
if (!@mssql_select_db($this->_db, $this->connection)) {
|
||||
return $this->mssqlRaiseError(DB_ERROR_NODBSELECTED);
|
||||
}
|
||||
$result = @mssql_query('COMMIT TRAN', $this->connection);
|
||||
$this->transaction_opcount = 0;
|
||||
if (!$result) {
|
||||
return $this->mssqlRaiseError();
|
||||
}
|
||||
}
|
||||
return DB_OK;
|
||||
}
|
||||
|
||||
// }}}
|
||||
// {{{ rollback()
|
||||
|
||||
/**
|
||||
* Reverts the current transaction
|
||||
*
|
||||
* @return int DB_OK on success. A DB_Error object on failure.
|
||||
*/
|
||||
function rollback()
|
||||
{
|
||||
if ($this->transaction_opcount > 0) {
|
||||
if (!@mssql_select_db($this->_db, $this->connection)) {
|
||||
return $this->mssqlRaiseError(DB_ERROR_NODBSELECTED);
|
||||
}
|
||||
$result = @mssql_query('ROLLBACK TRAN', $this->connection);
|
||||
$this->transaction_opcount = 0;
|
||||
if (!$result) {
|
||||
return $this->mssqlRaiseError();
|
||||
}
|
||||
}
|
||||
return DB_OK;
|
||||
}
|
||||
|
||||
// }}}
|
||||
// {{{ affectedRows()
|
||||
|
||||
/**
|
||||
* Determines the number of rows affected by a data maniuplation query
|
||||
*
|
||||
* 0 is returned for queries that don't manipulate data.
|
||||
*
|
||||
* @return int the number of rows. A DB_Error object on failure.
|
||||
*/
|
||||
function affectedRows()
|
||||
{
|
||||
if ($this->_last_query_manip) {
|
||||
$res = @mssql_query('select @@rowcount', $this->connection);
|
||||
if (!$res) {
|
||||
return $this->mssqlRaiseError();
|
||||
}
|
||||
$ar = @mssql_fetch_row($res);
|
||||
if (!$ar) {
|
||||
$result = 0;
|
||||
} else {
|
||||
@mssql_free_result($res);
|
||||
$result = $ar[0];
|
||||
}
|
||||
} else {
|
||||
$result = 0;
|
||||
}
|
||||
return $result;
|
||||
}
|
||||
|
||||
// }}}
|
||||
// {{{ nextId()
|
||||
|
||||
/**
|
||||
* Returns the next free id in a sequence
|
||||
*
|
||||
* @param string $seq_name name of the sequence
|
||||
* @param boolean $ondemand when true, the seqence is automatically
|
||||
* created if it does not exist
|
||||
*
|
||||
* @return int the next id number in the sequence.
|
||||
* A DB_Error object on failure.
|
||||
*
|
||||
* @see DB_common::nextID(), DB_common::getSequenceName(),
|
||||
* DB_mssql::createSequence(), DB_mssql::dropSequence()
|
||||
*/
|
||||
function nextId($seq_name, $ondemand = true)
|
||||
{
|
||||
$seqname = $this->getSequenceName($seq_name);
|
||||
if (!@mssql_select_db($this->_db, $this->connection)) {
|
||||
return $this->mssqlRaiseError(DB_ERROR_NODBSELECTED);
|
||||
}
|
||||
$repeat = 0;
|
||||
do {
|
||||
$this->pushErrorHandling(PEAR_ERROR_RETURN);
|
||||
$result = $this->query("INSERT INTO $seqname (vapor) VALUES (0)");
|
||||
$this->popErrorHandling();
|
||||
if ($ondemand && DB::isError($result) &&
|
||||
($result->getCode() == DB_ERROR || $result->getCode() == DB_ERROR_NOSUCHTABLE))
|
||||
{
|
||||
$repeat = 1;
|
||||
$result = $this->createSequence($seq_name);
|
||||
if (DB::isError($result)) {
|
||||
return $this->raiseError($result);
|
||||
}
|
||||
} elseif (!DB::isError($result)) {
|
||||
$result = $this->query("SELECT IDENT_CURRENT('$seqname')");
|
||||
if (DB::isError($result)) {
|
||||
/* Fallback code for MS SQL Server 7.0, which doesn't have
|
||||
* IDENT_CURRENT. This is *not* safe for concurrent
|
||||
* requests, and really, if you're using it, you're in a
|
||||
* world of hurt. Nevertheless, it's here to ensure BC. See
|
||||
* bug #181 for the gory details.*/
|
||||
$result = $this->query("SELECT @@IDENTITY FROM $seqname");
|
||||
}
|
||||
$repeat = 0;
|
||||
} else {
|
||||
$repeat = false;
|
||||
}
|
||||
} while ($repeat);
|
||||
if (DB::isError($result)) {
|
||||
return $this->raiseError($result);
|
||||
}
|
||||
$result = $result->fetchRow(DB_FETCHMODE_ORDERED);
|
||||
return $result[0];
|
||||
}
|
||||
|
||||
/**
|
||||
* Creates a new sequence
|
||||
*
|
||||
* @param string $seq_name name of the new sequence
|
||||
*
|
||||
* @return int DB_OK on success. A DB_Error object on failure.
|
||||
*
|
||||
* @see DB_common::createSequence(), DB_common::getSequenceName(),
|
||||
* DB_mssql::nextID(), DB_mssql::dropSequence()
|
||||
*/
|
||||
function createSequence($seq_name)
|
||||
{
|
||||
return $this->query('CREATE TABLE '
|
||||
. $this->getSequenceName($seq_name)
|
||||
. ' ([id] [int] IDENTITY (1, 1) NOT NULL,'
|
||||
. ' [vapor] [int] NULL)');
|
||||
}
|
||||
|
||||
// }}}
|
||||
// {{{ dropSequence()
|
||||
|
||||
/**
|
||||
* Deletes a sequence
|
||||
*
|
||||
* @param string $seq_name name of the sequence to be deleted
|
||||
*
|
||||
* @return int DB_OK on success. A DB_Error object on failure.
|
||||
*
|
||||
* @see DB_common::dropSequence(), DB_common::getSequenceName(),
|
||||
* DB_mssql::nextID(), DB_mssql::createSequence()
|
||||
*/
|
||||
function dropSequence($seq_name)
|
||||
{
|
||||
return $this->query('DROP TABLE ' . $this->getSequenceName($seq_name));
|
||||
}
|
||||
|
||||
// }}}
|
||||
// {{{ quoteIdentifier()
|
||||
|
||||
/**
|
||||
* Quotes a string so it can be safely used as a table or column name
|
||||
*
|
||||
* @param string $str identifier name to be quoted
|
||||
*
|
||||
* @return string quoted identifier string
|
||||
*
|
||||
* @see DB_common::quoteIdentifier()
|
||||
* @since Method available since Release 1.6.0
|
||||
*/
|
||||
function quoteIdentifier($str)
|
||||
{
|
||||
return '[' . str_replace(']', ']]', $str) . ']';
|
||||
}
|
||||
|
||||
// }}}
|
||||
// {{{ mssqlRaiseError()
|
||||
|
||||
/**
|
||||
* Produces a DB_Error object regarding the current problem
|
||||
*
|
||||
* @param int $errno if the error is being manually raised pass a
|
||||
* DB_ERROR* constant here. If this isn't passed
|
||||
* the error information gathered from the DBMS.
|
||||
*
|
||||
* @return object the DB_Error object
|
||||
*
|
||||
* @see DB_common::raiseError(),
|
||||
* DB_mssql::errorNative(), DB_mssql::errorCode()
|
||||
*/
|
||||
function mssqlRaiseError($code = null)
|
||||
{
|
||||
$message = @mssql_get_last_message();
|
||||
if (!$code) {
|
||||
$code = $this->errorNative();
|
||||
}
|
||||
return $this->raiseError($this->errorCode($code, $message),
|
||||
null, null, null, "$code - $message");
|
||||
}
|
||||
|
||||
// }}}
|
||||
// {{{ errorNative()
|
||||
|
||||
/**
|
||||
* Gets the DBMS' native error code produced by the last query
|
||||
*
|
||||
* @return int the DBMS' error code
|
||||
*/
|
||||
function errorNative()
|
||||
{
|
||||
$res = @mssql_query('select @@ERROR as ErrorCode', $this->connection);
|
||||
if (!$res) {
|
||||
return DB_ERROR;
|
||||
}
|
||||
$row = @mssql_fetch_row($res);
|
||||
return $row[0];
|
||||
}
|
||||
|
||||
// }}}
|
||||
// {{{ errorCode()
|
||||
|
||||
/**
|
||||
* Determines PEAR::DB error code from mssql's native codes.
|
||||
*
|
||||
* If <var>$nativecode</var> isn't known yet, it will be looked up.
|
||||
*
|
||||
* @param mixed $nativecode mssql error code, if known
|
||||
* @return integer an error number from a DB error constant
|
||||
* @see errorNative()
|
||||
*/
|
||||
function errorCode($nativecode = null, $msg = '')
|
||||
{
|
||||
if (!$nativecode) {
|
||||
$nativecode = $this->errorNative();
|
||||
}
|
||||
if (isset($this->errorcode_map[$nativecode])) {
|
||||
if ($nativecode == 3701
|
||||
&& preg_match('/Cannot drop the index/i', $msg))
|
||||
{
|
||||
return DB_ERROR_NOT_FOUND;
|
||||
}
|
||||
return $this->errorcode_map[$nativecode];
|
||||
} else {
|
||||
return DB_ERROR;
|
||||
}
|
||||
}
|
||||
|
||||
// }}}
|
||||
// {{{ tableInfo()
|
||||
|
||||
/**
|
||||
* Returns information about a table or a result set
|
||||
*
|
||||
* NOTE: only supports 'table' and 'flags' if <var>$result</var>
|
||||
* is a table name.
|
||||
*
|
||||
* @param object|string $result DB_result object from a query or a
|
||||
* string containing the name of a table.
|
||||
* While this also accepts a query result
|
||||
* resource identifier, this behavior is
|
||||
* deprecated.
|
||||
* @param int $mode a valid tableInfo mode
|
||||
*
|
||||
* @return array an associative array with the information requested.
|
||||
* A DB_Error object on failure.
|
||||
*
|
||||
* @see DB_common::tableInfo()
|
||||
*/
|
||||
function tableInfo($result, $mode = null)
|
||||
{
|
||||
if (is_string($result)) {
|
||||
/*
|
||||
* Probably received a table name.
|
||||
* Create a result resource identifier.
|
||||
*/
|
||||
if (!@mssql_select_db($this->_db, $this->connection)) {
|
||||
return $this->mssqlRaiseError(DB_ERROR_NODBSELECTED);
|
||||
}
|
||||
$id = @mssql_query("SELECT * FROM $result WHERE 1=0",
|
||||
$this->connection);
|
||||
$got_string = true;
|
||||
} elseif (isset($result->result)) {
|
||||
/*
|
||||
* Probably received a result object.
|
||||
* Extract the result resource identifier.
|
||||
*/
|
||||
$id = $result->result;
|
||||
$got_string = false;
|
||||
} else {
|
||||
/*
|
||||
* Probably received a result resource identifier.
|
||||
* Copy it.
|
||||
* Deprecated. Here for compatibility only.
|
||||
*/
|
||||
$id = $result;
|
||||
$got_string = false;
|
||||
}
|
||||
|
||||
if (!is_resource($id)) {
|
||||
return $this->mssqlRaiseError(DB_ERROR_NEED_MORE_DATA);
|
||||
}
|
||||
|
||||
if ($this->options['portability'] & DB_PORTABILITY_LOWERCASE) {
|
||||
$case_func = 'strtolower';
|
||||
} else {
|
||||
$case_func = 'strval';
|
||||
}
|
||||
|
||||
$count = @mssql_num_fields($id);
|
||||
$res = array();
|
||||
|
||||
if ($mode) {
|
||||
$res['num_fields'] = $count;
|
||||
}
|
||||
|
||||
for ($i = 0; $i < $count; $i++) {
|
||||
if ($got_string) {
|
||||
$flags = $this->_mssql_field_flags($result,
|
||||
@mssql_field_name($id, $i));
|
||||
if (DB::isError($flags)) {
|
||||
return $flags;
|
||||
}
|
||||
} else {
|
||||
$flags = '';
|
||||
}
|
||||
|
||||
$res[$i] = array(
|
||||
'table' => $got_string ? $case_func($result) : '',
|
||||
'name' => $case_func(@mssql_field_name($id, $i)),
|
||||
'type' => @mssql_field_type($id, $i),
|
||||
'len' => @mssql_field_length($id, $i),
|
||||
'flags' => $flags,
|
||||
);
|
||||
if ($mode & DB_TABLEINFO_ORDER) {
|
||||
$res['order'][$res[$i]['name']] = $i;
|
||||
}
|
||||
if ($mode & DB_TABLEINFO_ORDERTABLE) {
|
||||
$res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i;
|
||||
}
|
||||
}
|
||||
|
||||
// free the result only if we were called on a table
|
||||
if ($got_string) {
|
||||
@mssql_free_result($id);
|
||||
}
|
||||
return $res;
|
||||
}
|
||||
|
||||
// }}}
|
||||
// {{{ _mssql_field_flags()
|
||||
|
||||
/**
|
||||
* Get a column's flags
|
||||
*
|
||||
* Supports "not_null", "primary_key",
|
||||
* "auto_increment" (mssql identity), "timestamp" (mssql timestamp),
|
||||
* "unique_key" (mssql unique index, unique check or primary_key) and
|
||||
* "multiple_key" (multikey index)
|
||||
*
|
||||
* mssql timestamp is NOT similar to the mysql timestamp so this is maybe
|
||||
* not useful at all - is the behaviour of mysql_field_flags that primary
|
||||
* keys are alway unique? is the interpretation of multiple_key correct?
|
||||
*
|
||||
* @param string $table the table name
|
||||
* @param string $column the field name
|
||||
*
|
||||
* @return string the flags
|
||||
*
|
||||
* @access private
|
||||
* @author Joern Barthel <j_barthel@web.de>
|
||||
*/
|
||||
function _mssql_field_flags($table, $column)
|
||||
{
|
||||
static $tableName = null;
|
||||
static $flags = array();
|
||||
|
||||
if ($table != $tableName) {
|
||||
|
||||
$flags = array();
|
||||
$tableName = $table;
|
||||
|
||||
// get unique and primary keys
|
||||
$res = $this->getAll("EXEC SP_HELPINDEX $table", DB_FETCHMODE_ASSOC);
|
||||
if (DB::isError($res)) {
|
||||
return $res;
|
||||
}
|
||||
|
||||
foreach ($res as $val) {
|
||||
$keys = explode(', ', $val['index_keys']);
|
||||
|
||||
if (sizeof($keys) > 1) {
|
||||
foreach ($keys as $key) {
|
||||
$this->_add_flag($flags[$key], 'multiple_key');
|
||||
}
|
||||
}
|
||||
|
||||
if (strpos($val['index_description'], 'primary key')) {
|
||||
foreach ($keys as $key) {
|
||||
$this->_add_flag($flags[$key], 'primary_key');
|
||||
}
|
||||
} elseif (strpos($val['index_description'], 'unique')) {
|
||||
foreach ($keys as $key) {
|
||||
$this->_add_flag($flags[$key], 'unique_key');
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// get auto_increment, not_null and timestamp
|
||||
$res = $this->getAll("EXEC SP_COLUMNS $table", DB_FETCHMODE_ASSOC);
|
||||
if (DB::isError($res)) {
|
||||
return $res;
|
||||
}
|
||||
|
||||
foreach ($res as $val) {
|
||||
$val = array_change_key_case($val, CASE_LOWER);
|
||||
if ($val['nullable'] == '0') {
|
||||
$this->_add_flag($flags[$val['column_name']], 'not_null');
|
||||
}
|
||||
if (strpos($val['type_name'], 'identity')) {
|
||||
$this->_add_flag($flags[$val['column_name']], 'auto_increment');
|
||||
}
|
||||
if (strpos($val['type_name'], 'timestamp')) {
|
||||
$this->_add_flag($flags[$val['column_name']], 'timestamp');
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (array_key_exists($column, $flags)) {
|
||||
return(implode(' ', $flags[$column]));
|
||||
}
|
||||
return '';
|
||||
}
|
||||
|
||||
// }}}
|
||||
// {{{ _add_flag()
|
||||
|
||||
/**
|
||||
* Adds a string to the flags array if the flag is not yet in there
|
||||
* - if there is no flag present the array is created
|
||||
*
|
||||
* @param array &$array the reference to the flag-array
|
||||
* @param string $value the flag value
|
||||
*
|
||||
* @return void
|
||||
*
|
||||
* @access private
|
||||
* @author Joern Barthel <j_barthel@web.de>
|
||||
*/
|
||||
function _add_flag(&$array, $value)
|
||||
{
|
||||
if (!is_array($array)) {
|
||||
$array = array($value);
|
||||
} elseif (!in_array($value, $array)) {
|
||||
array_push($array, $value);
|
||||
}
|
||||
}
|
||||
|
||||
// }}}
|
||||
// {{{ getSpecialQuery()
|
||||
|
||||
/**
|
||||
* Obtains the query string needed for listing a given type of objects
|
||||
*
|
||||
* @param string $type the kind of objects you want to retrieve
|
||||
*
|
||||
* @return string the SQL query string or null if the driver doesn't
|
||||
* support the object type requested
|
||||
*
|
||||
* @access protected
|
||||
* @see DB_common::getListOf()
|
||||
*/
|
||||
function getSpecialQuery($type)
|
||||
{
|
||||
switch ($type) {
|
||||
case 'tables':
|
||||
return "SELECT name FROM sysobjects WHERE type = 'U'"
|
||||
. ' ORDER BY name';
|
||||
case 'views':
|
||||
return "SELECT name FROM sysobjects WHERE type = 'V'";
|
||||
default:
|
||||
return null;
|
||||
}
|
||||
}
|
||||
|
||||
// }}}
|
||||
}
|
||||
|
||||
/*
|
||||
* Local variables:
|
||||
* tab-width: 4
|
||||
* c-basic-offset: 4
|
||||
* End:
|
||||
*/
|
||||
|
||||
?>
|
Loading…
Add table
Add a link
Reference in a new issue